Inking attachment for printing-presses



(No Model.)

Bfs. WHITEHEAD. INKING ATTACHMENT FOR PRiNTING. PRESSES.

Paltented Jan. 15 1883 yaw for.

MW I

- UNTTED rates ATENT tries.

BENJAMIN S. \VHITEHEAD, OF NINVARK, NEW JERSEY.

[NKING ATTACHMENT FOR PR|NTlNG'-PRESSES.

SPECIFICATION forming part of Letters Patent No. 291,969, dated January 15, 1884.

Application filed June 30, 18872.

' f aZZ whom, it may concern.-

Be it known that 1, BENJAMIN S. Wnrrn- HEAD, of Newark, in the county of Essex and State of New Jersey, have invented a new and useful Improvement in Inkin g Attachments for Printing-Presses, of which the following is a specification.

This invention relates to inking attachments for printing-presses, whereby several colors may be printed at a single impression of the type. the object of the invention being to more perfectly spread the ink, to simplify and reduce the cost of construction, and to otherwise more perfectly adapt the attachment for the purposes forwhich it is intended.

-Referring to the accompanying drawings, in which similar letters of referenceindicate like parts in each of the figures, Figure 1 is a plan "iew of my improved attachment. Fig. 2 isa side view of the same. Fig. 3 is an inverted plan, partly in section. Figs. 4., 5, and (3 are detail views of certain parts of the device, and Fig. 7 is'a side view of one of the intermediate disks.

In carrying ont the invention I arrange between two plates, 'A 13, held apart by shouldered posts 0, whereby a frame-work is formed, a series or collection of cog-wheels in parallel rows, running at right angles to the axis of the inking-rolls P, the cogs of one row engaging with those in the laterally-adjacent row or rows and with each other, as shown, so that power transmitted to one cog will actuate all simultaneously, and apositive motion be maintained throughout the inking-surfaces of the attachment. Said cogs operate intermittently, actuated by a ratchet-wheel, E, and pawl F, said ratchet being hung on the lower end of the shaft G of one of the cogs, and supported by the strap H, Fig. 3, secured to the plate B. The frame A Bis secured to an ordinary printing-press by means of a bar, I. The pawl is operated by a projection 011 the back of the press striking the arm or lever K at the end L, which lifts the said end and draws the pawl forward, causing the ratchet, and with it the collect-ion of cogs, to revolve a fraction of a revolution. hen the projection has passed the end of the arm, the said arm drops by its own weight, and causes the pawl to engage with another tooth of the ratchet for a repeti- (No model.)

tion of the movement. The pawl may be operated by some other device to accomplish the same result. Into each of the cogs is inserted the shank H of an inking-disk, N, the feather O causing the disk to revolve with the cog in termittently a fraction of a revolution at each movement, the combinations of surfaces being practically never the same, as the adjacent cogs and the accompanying inking-disks move in opposite directions, as indicated. The ink is thus perfectly spread upon the rolls I, and by them the type is furnished therewith.

It will be apparent from the above description and the drawings that the parallel rows of inking-disks are arranged in hearings or seats that are fixed and permanent in their relations each to the other, so that when the attachment is once properly arranged onthe press (thelines of separation between the rows of disks being straight lines at right angles to the axes of the inking-rolls, a position necessary to give a perfect outline between the colors) no subsequent care need be exercised in placing the disks individually to obtain the best results.

which engage with the rolls P, above the plate A, so that said revolving inking-disks alone engage with said rolls, to spread the ink when a sharp outline between thecolors is desired. The peculiar arrangement of the revolving disks in parallel rows, with engaging peripheries above any surrounding and stationary surfaces, secures not only a perfectly-solid body of color, but also, by this arrangement, the area of inking-surface engaging with the rolls increases toward the center of the row of inking disks or plates, or the line of diskaxes.) The ink is thus prevented from gathering in too profuse quantities on the rolls 1?, near or at the line which separates the two colors, and thus the said two colors are effectually prevented from mixing, although no intervening uncolored or uninked portion is allowed to remain on the roll caused by a separation of the inking disks or plates. lVhen found desirable, the disks Q are employed, which are removably secured in the spaces between the rotating disks N, for the purpose of more closely joining the ink at the lines of contact. These disks are of similar construction The revolving inking-disks are l arranged with their smooth inking-surfaces,

to the larger disks N, and their shanks are designed to be inserted'in perforations in the top plate of the frame in aremovable position. The rolls P coact with the revolving smoothfaced inking plates or disks, to spread the ink. From the rolls the ink is delivered to the type in the usual manner. The arrangement of the disks or plates upon the framework and their relations to the cogs are such as that they may be individually removed from their several seats without disturbing adjacent disks or other parts of the device, there being no parts on the disk or its connections projecting into undercutparts of the frame. one of said disks be accidentally marred or discolored, the same can be readily raised from its seat, be cleaned, and replaced in its bearing or seat in the frame, a shoulder, N, raising the inking-surface above the plate provided with said bearing, and a shank, M, entering the cog D, and being prevented from turnin g therein by any suitable device or arrangement, such as thefeather.

I am aware that, broadly, inking-disks arranged in rows are not new, and also that brushes have been used in block-printing, arranged in a collection and actuated simultaneously by means of a corresponding series of cogs and ah'andcrank, and therefore such features I do not wish to be understood as claimi'ng, broadly. 7

Having thus described my invention, what I claim is- 1. An inking attachment ,for a printingpreSs, consisting, substantially, of a collection Thus, should any of revolving inking-disks arrangedin parallel rows above the frame-work in or on which they revolve, the peripheries of the disks of adjacent rows engaging with one another, all substantially as and for the purposes herein set forth and shown.

2. The disks N, having the shoulders N, the shanks M, and feathers O, in combination with cogs D and a framework, substantially as and for the purpose set forth and shown.

The inking attachment consisting of a collection of disks arranged in parallel rows to form the entire table-surface, each disk having a shoulder resting on its driving-cog, in combination with said cogs, adapted, substantially as described, to be intermittingly operated. p

4. In combination with the frame-work A B of an inking attachment for a printing-press, the collection of inking disks arranged in parallel rows, the line of contact of the peripheries thereof being straight lines, said disks being arranged and adapted to be withdrawn individually without disturbing the adjacent mechanism, substantially as herein set forth.

5. The collection of disks arranged in paral- 

